April 26, 2017

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engine testing procedures and fixes

Engine Testing Procedures and Fixes

How To Tell When Your Head Gasket Is Blown

November 28, 2016

Diagnosing your Head Gasket is Blown, by looking for the symptoms, can be quite misleading. This is because a failed head gasket is NOT a single thing. Head gaskets may fail in several different ways.  Many failure […]

compression tester
Engine Testing Procedures and Fixes

How to do a compression test

December 3, 2016

A Compression test is a good way to measure the condition of the rings, cylinders, and valves. If your engine is running rough or is lacking power consider doing a compression test. Most manufacturers and […]

Vacuum Guage
Engine Testing Procedures and Fixes

Checking your engine with a vacuum guage

April 18, 2017

Checking your engine with a vacuum guage can tell you a lot about an engine’s condition. This is similar to doing a cylinder leak down test – but in a much easier way. In just […]

vacuum readings
Engine Testing Procedures and Fixes

How to do a vacuum test

November 23, 2016

A vacuum test can tell you more than you think. One of the easiest and cheapest ways to check an engine for serious issues is to use a vacuum gauge. A vacuum gauge can tell […]

obd 2 reader
Engine Testing Procedures and Fixes

How to find mechanical engine misfires

November 13, 2016

Mechanical engine misfires can contribute to low compression (bad cylinder, piston rings, sticky or leaky valves or even valves out of adjustment) will affect the amount of air coming into the cylinder which will cause […]

Engine Cooling Fan
Engine Overheating Topics

How to testing your engine cooling fan

January 8, 2017

Testing your engine cooling fan can solve your heating issues. Is your Engine Overheating Is your Engine Cooling Fan Working If not , Let’s do some testing and fix it yourself. Let’s start with the easy stuff […]


rope seal

Rear Main Rope Seal Alternatives

December 13, 2015

Rear Main Rope Seal Alternatives make solve your engine leak and save time Danny’s Engine Portal supplies the following information on a rear main rope seal alternatives. It has taken many years to collect this information. […]


Rear Main Seal Leaks-or are they

November 26, 2016

It has been determined that 90% of all rear main seal oil leak complaints checked in the last five years are leaks in the pan gasket, rocker covers, side covers, etc., and are not leaking […]

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  • crank-shaft-position-sensor
    There are a number of symptoms that can point to your Crankshaft Position Sensor failing but can also be confused with the same symptoms caused by issues with your ignition or fuel injection systems. If you [...]
  • Automotive-Sensors
    Before the use of computerized controls, fixing an automobile was straightforward and logical. Gasoline engines need the proper fuel and air mixture, compression to squeeze the mixture together, and a spark plug to ignite the [...]
  • oxygen-sensor
    Replacement of good oxygen sensors is one of the common mistakes made by seasoned mechanics and DIY mechanics when tackling rich or lean diagnostic codes. Oxygen Sensor-Should you Replace It ? Before replacing any of [...]


analyzing poor performance issues

  • throttle-body
    Analyzing Poor Performance Issues
    What can cause abnormally high idle speeds. The first thing to do is to see if there are any diagnostic trouble codes stored in the PCM. If there are this will give us a good starting [...]
  • Valve Lash Setting
    Analyzing Poor Performance Issues
    The term “valve lash” is often used when discussing valve train adjustment. A valve lifter (sometimes referred to as a tappet or cam follower) follows the contour of the camshaft lobe and transfers that motion to open [...]
  • No Fuel
    Analyzing Poor Performance Issues
    Maintenance is critical in keeping your vehicle running its best and minimizing fuel consumption.  Knowing the common causes of poor fuel economy is just the tip of the iceberg. It may not seem like that [...]
  • Tachometer
    Analyzing Poor Performance Issues
    Engine surging or misfiring up and down while you’re driving. Uneven engine revs and misfiring can affect drivability, but can also cause error codes to appear in your OBD-II Diagnostics system. These codes can cause [...]
  • DannysEnginePortal.com
    Analyzing Poor Performance Issues
    Troubleshooting FAQ: Quick Trouble Shooting Topics with Answers Black smoke is coming from my exhaust White smoke is coming from my exhaust Blue smoke is coming from my exhaust Why does your vehicle smells like rotten [...]